} \
} while(false)
-/* Remove this macro, when the kernel has f_type as unsigned int or long
- * for every architecure. Currently some 64bit architecures (like s390x)
- * have int in the kernel, but long in userspace for f_type, so glibc
- * extends the int to long and carries over the sign. Negative numbers are
- * caused by the 32bit magic constants in linux/magic.h stuffed into the
- * signed int in the kernel and these negative numbers are extended to
- * long, which cannot be simply compared to the magic constants anymore.
+ /* Because statfs.t_type can be int on some architecures, we have to cast
+ * the const magic to the type, otherwise the compiler warns about
+ * signed/unsigned comparison, because the magic can be 32 bit unsigned.
*/
-#define F_TYPE_CMP(f, c) \
- __extension__ ({ \
- __SWORD_TYPE _f = (f); \
- const __SWORD_TYPE _c = (c); \
- const int _c32 = (c); \
- (_f == _c || _f == _c32 ); \
- })
+#define F_TYPE_CMP(a, b) (a == (typeof(a)) b)
/* Returns the number of chars needed to format variables of the